Chair

ABSTRACT

A chair includes a seat, a back, and a headrest; the back has several adjustment members thereon; a supporting frame is connected to the adjustment members in such a way as to be separable from the back; therefore, position and angle of the supporting frame can be adjusted by means of replacing the adjustment members with other ones that have different dimensions from the original ones; people are allowed to select and use another supporting frame having different shape and size from the original one according to their needs and situations; the seat and the headrest have the same structure as the back.

BACKGROUND OF THE INVENTION

1. Field of the Invention

The present invention relates to a chair, more particularly one, ofwhich the seat, the back, and the headrest can be easily adjusted inposition and angle such that the sitter can be supported in acomfortable position.

2. Brief Description of the Prior Art

Many chairs are made with adjustability and reclining function so as toprovide more comfort to the sitters. A common conventional chairincludes a seat for supporting a sitter's buttocks, and a back forsupporting the back; the seat and the back each includes a mainsupporting part, a stuffing on the main supporting part, and a piece ofcloth member positioned over the stuffing and connected to the mainsupporting part, which cloth member can be cotton cloth, mesh or leathercloth. It will take relatively much labor and time to separate the clothmember from the main supporting part when the cloth member is dirty orbroken, and needs cleaning or replacement. Therefore, such chairs aren'tconvenient to use.

Another common conventional back of a chair includes an external framepart, and an internal frame part, which has a piece of cloth memberconnected thereto for supporting a sitter's back, and which is fitted inand secured to the external frame part by means of screws. Therefore, itis easier to separate the internal frame part from the external one forcleaning and repair.

However, such chair backs have a fixed shape, and can't be adjusted inposition and angle to suit people of different ages, genders, and bodyheights. Therefore, the manufacturers have to make a wide variety ofmodels of chairs for suiting people of different genders and variousages and body heights, causing significant increase to the amount ofinventory as well as the cost of inventory management.

SUMMARY OF THE INVENTION

It is a main object of the invention to provide an improvement on achair to overcome the above-mentioned problem.

The chair of the present invention includes a seat, a back, and aheadrest. The back has several adjustment members thereon while asupporting frame is connected to the adjustment members in such a way asto be separable from the back; thus, position and angle of thesupporting frame can be adjusted for the chair to be more comfortable bymeans of replacing the adjustment members with other ones that havedifferent dimensions from the original ones. And, people are allowed toselect and use another supporting frame having different shape and sizefrom the original one according to their needs and situations. The seatand the headrest have the same structure as the back so as to be easilyadjusted and easily disassembled for cleaning and repair.

Therefore, the manufacturers won't have to make chairs of many differentmodels, which are only slightly different in shape and position forsuiting people of different body heights, genders, and ages, and in turnthe amount of inventory and the cost of inventory management willreduce.

BRIEF DESCRIPTION OF THE DRAWINGS

The present invention will be better understood by referring to theaccompanying drawings, wherein:

FIG. 1 is a side view of the first preferred embodiment,

FIG. 2 is a fragmentary exploded perspective view of the first preferredembodiment in the present invention,

FIG. 3 is a side view of the first embodiment, in another position,

FIG. 4 is a side view of the first preferred embodiment, in yet anotherposition,

FIG. 5 is a side view of the first preferred embodiment, in stillanother position,

FIG. 6 is a side view of the second preferred embodiment, and

FIG. 7 is a side view of the third preferred embodiment.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

Referring to FIGS. 1 to 5, a first preferred embodiment 1 of a chair ofthe present invention includes a seat 11, and a back 12. The back 12 hasseveral screw holes 121 spaced apart near to a loop-shaped edge thereof,several adjustment members 13 spaced apart near to the loop-shaped edgeof a front side thereof, and a supporting frame 14. The adjustmentmembers 13 each have a through hole 131, which is aligned with arespective one of the screw holes 121. The supporting frame 14 hasseveral screw holes 141 thereon, and it is positioned on front ends ofthe adjustment members 13 with the screw holes 141 thereof being alignedwith respective ones of the through holes 131 of the adjustment members13. The supporting frame 14 further has a piece of cloth 17 positionedover a space within it, and securely connected thereto, which can becotton cloth, mesh, leather cloth or plastic cloth; in the presentembodiment, a mesh is used, which allows air to travel through it, andis elastic and in fashion. Threaded connecting elements 15 are passedthrough the screw holes 121, the through holes 131, and the screw holes141 such that the supporting frame 14 is secured in place. Therefore,the supporting frame 14 can be easily removed for replacement, cleaningor repair.

Furthermore, each of the screw holes 121 of the back 12 has a plug 16fitted in a rear end thereof; thus, there won't be any cavity on therear side of the back 12 to spoil the appearance of the whole chair 1.

Therefore, position of the supporting frame 14 will be changed when theoriginal adjustment members 13 are replaced with other adjustmentmembers that have different dimensions from the original ones 13. Peopleare allowed to adjust the position and angle of the supporting frame 14according to their needs and situations by means of selecting and usingsuitable adjustment members 13, and they are allowed to select and useother supporting frames having different shapes and sizes from thepresent one to suit them. For example, referring to FIG. 3, if upperones of the adjustment members 13 are longer than lower ones of theadjustment members 13, the supporting frame 14 will be at a particularangle, which suits tall persons.

Referring to FIGS. 1 and 4, the adjustment members 13 and the back 12are formed together such that the adjustment members 13 can't beseparated from the back 12 instead. And, the supporting frame 14 issecured in place by means of passing threaded connecting elements 15through the screw holes 121 of the back 12, the through holes 131 of theadjustment members 13, and the screw holes 141 of the supporting frame14. Therefore, the supporting frame 14 can be easily separated from theadjustment members 13. Or alternatively, referring to FIG. 5, theadjustment members 13 and the supporting frame 14 can be formed togethersuch that the adjustment members 13 are inseparable from the supportingframe 14 instead.

Referring to FIG. 6, a second preferred embodiment 2 of a chair of thepresent invention includes a seat 21, which has several adjustmentmembers 22 secured on an upper side thereof, and a supporting frame 23positioned over and separably connected to the adjustment members 22.The supporting frame 23 has a cloth unit 24 positioned over a spacewithin it, and securely connected thereto Therefore, the supportingframe 23 can be easily removed for replacement, repair or cleaning ofthe cloth 24. And, people are allowed to adjust the position and angleof the supporting frame 23 according to their needs and situations bymeans of selecting and using suitable adjustment members 22, and theyare allowed to select and use other supporting frames having differentshapes and sizes from the present one to suit them.

Referring to FIG. 7, a third preferred embodiment 3 of a chair of thepresent invention includes a back 32, and a headrest 31 connected to anupper end of the back 32. The headrest 31 has several adjustment members33 secured thereon, and a supporting frame 34 positioned over andseparably connected to the adjustment members 33. Therefore, thesupporting frame 34 can be easily removed for replacement, repair orcleaning. And, people are allowed to adjust the position and angle ofthe supporting frame 34 according to their needs and situations by meansof selecting and using suitable adjustment members 33, and they areallowed to select and use other supporting frames having differentshapes and sizes from the present one to suit them.

From the above description, it can be easily seen that the chair of thepresent invention has the following advantages: the chair has afashionable look, and the seat, the back, and the headrest are easy todisassemble for cleaning and repair; position and angle of thesupporting frames can be easily adjusted by means of selecting and usingsuitable adjustment members, and the supporting frames can be replacedwith other ones having different shapes and sizes according to people'sneeds and situations; the manufacturers won't have to make chairs ofmany different models, which are only slightly different in shape andposition, and in turn the amount of inventory and the cost of inventorymanagement will reduce.

1. A chair, comprising a seat; and a back; the back having a pluralityof adjustment members thereon; a supporting frame being connected to theadjustment members in such a way as to be separable from the back;whereby position and angle of the supporting frame will change when theadjustment members are replaced with other ones that have differentdimensions from them.
 2. The chair as claimed in claim 1, wherein theadjustment members are spaced apart near to a loop-shaped edge of theback.
 3. The chair as claimed in claim 1, wherein the adjustment membersand the back are formed together such that the adjustment members can'tbe separated from the back.
 4. The chair as claimed in claim 1, whereinthe adjustment members and the supporting frame are formed together suchthat the adjustment members can't be separated from the supportingframe.
 5. The chair as claimed in claim 1, wherein each of theadjustment members has a through hole, and the back and the supportingframe each have screw holes thereon; threaded connecting elements beingpassed through the screw holes and the through holes to secure thesupporting frame in position.
 6. The chair as claimed in claim 1,wherein the supporting frame has a piece of cloth secured thereon.
 7. Achair, comprising a back; and a seat; the seat having a plurality ofadjustment members thereon; a supporting frame being connected to theadjustment members in such a way as to be separable from the seat;whereby position and angle of the supporting frame will change when theadjustment members are replaced with other ones that have differentdimensions from them.
 8. The chair as claimed in claim 7, wherein theadjustment members are spaced apart near to a loop-shaped edge of theseat.
 9. The chair as claimed in claim 7, wherein the adjustment membersand the seat are formed together such that the adjustment members can'tbe separated from the seat.
 10. The chair as claimed in claim 7, whereinthe adjustment members and the supporting frame are formed together suchthat the adjustment members can't be separated from the supportingframe.
 11. The chair as claimed in claim 7, wherein each of theadjustment members has a through hole, and the seat and the supportingframe each have screw holes thereon; threaded connecting elements beingpassed through the screw holes and the through holes to secure thesupporting frame in position.
 12. The chair as claimed in claim 7,wherein the supporting frame has a piece of cloth secured thereon.
 13. Achair, comprising a seat; a back; and a headrest connected to the back;the headrest having a plurality of adjustment members thereon; asupporting frame being connected to the adjustment members in such a wayas to be separable from the headrest; whereby position and angle of thesupporting frame will change when the adjustment members are replacedwith other ones that have different dimensions from them.
 14. The chairas claimed in claim 13, wherein the adjustment members are spaced apartnear to a loop-shaped edge of the headrest.
 15. The chair as claimed inclaim 13, wherein the adjustment members and the headrest are formedtogether such that the adjustment members can't be separated from theheadrest.
 16. The chair as claimed in claim 13, wherein the adjustmentmembers and the supporting frame are formed together such that theadjustment members can't be separated from the supporting frame.
 17. Thechair as claimed in claim 13, wherein each of the adjustment members hasa through hole, and the headrest and the supporting frame each havescrew holes thereon; threaded connecting elements being passed throughthe screw holes and the through holes to secure the supporting frame inposition.
 18. The chair as claimed in claim 13, wherein the supportingframe has a piece of cloth secured thereon.